Exam 1 Flashcards
What are the subfields of anthropology
Cultural anthropology
Archeologist
Biological anthropology
What do biological anthropologists study
Osteology, paleopaghology, forensic, human biology, primatologist, paleoanthropology
What is science?
A process, used in understanding, accumulating, and building knowledge
Steps of scientific method
Observation, hypothesis, experiment, results, conclusion
What is the law of superposition?
Sedimentary layers are deposited in a sequence, oldest on bottom
Law of uniformitarianism
Idea that the forces that work today are the same forces that have been throughout earths history
Law of catastrophism
Idea that there have been multiple natural disasters during which many species died and followed by creation events
What are the major tenets of larmarkian evolution
Use and disuse, inheritance of acquired characteristics
Changes in habits or body parts due to environment
Darwins evidence of natural selection
South American fossils resemble South American animals
The forces of evolution
Natural selection
Gene flow
Genetic drift
Mutation
Prokaryotic cells
No nucleus, no organelles, binary fission, unicellular, first fossil evidence
Eukaryotic cells
Membrane enclosed organelles, nucleus, plants animals and fungi,
Somatic cells
Make up the tissues of the body
Gametes
Specifically for reproduction
Pleiotropy
One gene that affects many trait
